/Engine/Source/Runtime/MovieScene/Public/Evaluation/PreAnimatedState/MovieScenePreAnimatedStateExtension.h
Discard any transient state and all meta-data for any currently animating objects, whilst preserving the cached values internally. Calling this function will cause any currently animating 'RestoreState' sections to re-cache their values if they are re-evaluated Any 'RestoreState' sections which are deleted or subsequently not-evaluated will not cause their values to be restored
void DiscardTransientState()